Meaning of “indeed” - Learner’s Dictionary

indeed

adverb uk us /ɪnˈdiːd/
EMPHASIS

B1 used to add emphasis after 'very' followed by an adjective or adverb:

For a four-year-old, her vocabulary is very good indeed.
Thank you very much indeed.
REACTION

used when someone has said something that surprises, interests, or annoys you:

"She asked if you were married." "Did she, indeed?"
TRUE

B1 used to emphasize that something is true or that you agree with it:

"He sounds a very interesting man." "He is indeed."
MORE formal

used when you say more to support or develop what has already been said:

For such creatures speed is not important, indeed it is counterproductive.

(Definition of “indeed” from the Cambridge Learner’s Dictionary © Cambridge University Press)